/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.instance;
import com.hazelcast.client.ClientServiceProxy;
import com.hazelcast.collection.list.ListService;
import com.hazelcast.collection.set.SetService;
import com.hazelcast.concurrent.atomiclong.AtomicLongService;
import com.hazelcast.concurrent.atomicreference.AtomicReferenceService;
import com.hazelcast.concurrent.countdownlatch.CountDownLatchService;
import com.hazelcast.concurrent.idgen.IdGeneratorService;
import com.hazelcast.concurrent.lock.LockProxy;
import com.hazelcast.concurrent.lock.LockService;
import com.hazelcast.concurrent.semaphore.SemaphoreService;
import com.hazelcast.config.Config;
import com.hazelcast.core.ClientService;
import com.hazelcast.core.Cluster;
import com.hazelcast.core.DistributedObject;
import com.hazelcast.core.DistributedObjectListener;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.HazelcastInstanceAware;
import com.hazelcast.core.IAtomicLong;
import com.hazelcast.core.IAtomicReference;
import com.hazelcast.core.ICountDownLatch;
import com.hazelcast.core.IExecutorService;
import com.hazelcast.core.IList;
import com.hazelcast.core.ILock;
import com.hazelcast.core.IMap;
import com.hazelcast.core.IQueue;
import com.hazelcast.core.ISemaphore;
import com.hazelcast.core.ISet;
import com.hazelcast.core.ITopic;
import com.hazelcast.core.IdGenerator;
import com.hazelcast.core.ManagedContext;
import com.hazelcast.core.Member;
import com.hazelcast.core.MultiMap;
import com.hazelcast.core.PartitionService;
import com.hazelcast.core.ReplicatedMap;
import com.hazelcast.executor.DistributedExecutorService;
import com.hazelcast.jmx.ManagementService;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.LoggingService;
import com.hazelcast.management.ThreadMonitoringService;
import com.hazelcast.map.MapService;
import com.hazelcast.mapreduce.JobTracker;
import com.hazelcast.mapreduce.impl.MapReduceService;
import com.hazelcast.multimap.MultiMapService;
import com.hazelcast.nio.serialization.SerializationService;
import com.hazelcast.queue.QueueService;
import com.hazelcast.replicatedmap.ReplicatedMapService;
import com.hazelcast.spi.ProxyService;
import com.hazelcast.spi.annotation.PrivateApi;
import com.hazelcast.topic.TopicService;
import com.hazelcast.transaction.TransactionContext;
import com.hazelcast.transaction.TransactionException;
import com.hazelcast.transaction.TransactionManagerService;
import com.hazelcast.transaction.TransactionOptions;
import com.hazelcast.transaction.TransactionalTask;
import com.hazelcast.util.HealthMonitor;
import com.hazelcast.util.HealthMonitorLevel;
import java.util.Collection;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import static com.hazelcast.core.LifecycleEvent.LifecycleState.STARTING;
@SuppressWarnings("unchecked")
@PrivateApi
public final class HazelcastInstanceImpl
implements HazelcastInstance {
public final Node node;
final ILogger logger;
final String name;
final ManagementService managementService;
final LifecycleServiceImpl lifecycleService;
final ManagedContext managedContext;
final ThreadMonitoringService threadMonitoringService;
final ThreadGroup threadGroup;
final ConcurrentMap<String, Object> userContext = new ConcurrentHashMap<String, Object>();
HazelcastInstanceImpl(String name, Config config, NodeContext nodeContext)
throws Exception {
this.name = name;
this.threadGroup = new ThreadGroup(name);
threadMonitoringService = new ThreadMonitoringService(threadGroup);
lifecycleService = new LifecycleServiceImpl(this);
ManagedContext configuredManagedContext = config.getManagedContext();
managedContext = new HazelcastManagedContext(this, configuredManagedContext);
//we are going to copy the user-context map of the Config so that each HazelcastInstance will get its own
//user-context map instance instead of having a shared map instance. So changes made to the user-context map
//in one HazelcastInstance will not reflect on other the user-context of other HazelcastInstances.
userContext.putAll(config.getUserContext());
node = new Node(this, config, nodeContext);
logger = node.getLogger(getClass().getName());
lifecycleService.fireLifecycleEvent(STARTING);
node.start();
if (!node.isActive()) {
node.connectionManager.shutdown();
throw new IllegalStateException("Node failed to start!");
}
managementService = new ManagementService(this);
if (configuredManagedContext != null) {
if (configuredManagedContext instanceof HazelcastInstanceAware) {
((HazelcastInstanceAware) configuredManagedContext).setHazelcastInstance(this);
}
}
initHealthMonitor();
}
private void initHealthMonitor() {
String healthMonitorLevelString = node.getGroupProperties().HEALTH_MONITORING_LEVEL.getString();
HealthMonitorLevel healthLevel = HealthMonitorLevel.valueOf(healthMonitorLevelString);
if (healthLevel != HealthMonitorLevel.OFF) {
logger.finest("Starting health monitor");
int delaySeconds = node.getGroupProperties().HEALTH_MONITORING_DELAY_SECONDS.getInteger();
new HealthMonitor(this, healthLevel, delaySeconds).start();
}
}
public ManagementService getManagementService() {
return managementService;
}
@Override
public String getName() {
return name;
}
@Override
public <K, V> IMap<K, V> getMap(String name) {
if (name == null) {
throw new NullPointerException("Retrieving a map instance with a null name is not allowed!");
}
return getDistributedObject(MapService.SERVICE_NAME, name);
}
@Override
public <E> IQueue<E> getQueue(String name) {
if (name == null) {
throw new NullPointerException("Retrieving a queue instance with a null name is not allowed!");
}
return getDistributedObject(QueueService.SERVICE_NAME, name);
}
@Override
public <E> ITopic<E> getTopic(String name) {
if (name == null) {
throw new NullPointerException("Retrieving a topic instance with a null name is not allowed!");
}
return getDistributedObject(TopicService.SERVICE_NAME, name);
}
@Override
public <E> ISet<E> getSet(String name) {
if (name == null) {
throw new NullPointerException("Retrieving a set instance with a null name is not allowed!");
}
return getDistributedObject(SetService.SERVICE_NAME, name);
}
@Override
public <E> IList<E> getList(String name) {
if (name == null) {
throw new NullPointerException("Retrieving a list instance with a null name is not allowed!");
}
return getDistributedObject(ListService.SERVICE_NAME, name);
}
@Override
public <K, V> MultiMap<K, V> getMultiMap(String name) {
if (name == null) {
throw new NullPointerException("Retrieving a multi-map instance with a null name is not allowed!");
}
return getDistributedObject(MultiMapService.SERVICE_NAME, name);
}
@Override
public JobTracker getJobTracker(String name) {
if (name == null) {
throw new NullPointerException("Retrieving a job tracker instance with a null name is not allowed!");
}
return getDistributedObject(MapReduceService.SERVICE_NAME, name);
}
@Deprecated
public ILock getLock(Object key) {
//this method will be deleted in the near future.
if (key == null) {
throw new NullPointerException("Retrieving a lock instance with a null key is not allowed!");
}
String name = LockProxy.convertToStringKey(key, node.getSerializationService());
return getLock(name);
}
@Override
public ILock getLock(String key) {
if (key == null) {
throw new NullPointerException("Retrieving a lock instance with a null key is not allowed!");
}
return getDistributedObject(LockService.SERVICE_NAME, key);
}
@Override
public <T> T executeTransaction(TransactionalTask<T> task)
throws TransactionException {
return executeTransaction(TransactionOptions.getDefault(), task);
}
@Override
public <T> T executeTransaction(TransactionOptions options, TransactionalTask<T> task)
throws TransactionException {
TransactionManagerService transactionManagerService = node.nodeEngine.getTransactionManagerService();
return transactionManagerService.executeTransaction(options, task);
}
@Override
public TransactionContext newTransactionContext() {
return newTransactionContext(TransactionOptions.getDefault());
}
@Override
public TransactionContext newTransactionContext(TransactionOptions options) {
TransactionManagerService transactionManagerService = node.nodeEngine.getTransactionManagerService();
return transactionManagerService.newTransactionContext(options);
}
@Override
public IExecutorService getExecutorService(final String name) {
if (name == null) {
throw new NullPointerException("Retrieving an executor instance with a null name is not allowed!");
}
return getDistributedObject(DistributedExecutorService.SERVICE_NAME, name);
}
@Override
public IdGenerator getIdGenerator(final String name) {
if (name == null) {
throw new NullPointerException("Retrieving an id-generator instance with a null name is not allowed!");
}
return getDistributedObject(IdGeneratorService.SERVICE_NAME, name);
}
@Override
public IAtomicLong getAtomicLong(final String name) {
if (name == null) {
throw new NullPointerException("Retrieving an atomic-long instance with a null name is not allowed!");
}
return getDistributedObject(AtomicLongService.SERVICE_NAME, name);
}
@Override
public <E> IAtomicReference<E> getAtomicReference(final String name) {
if (name == null) {
throw new NullPointerException("Retrieving an atomic-reference instance with a null name is not allowed!");
}
return getDistributedObject(AtomicReferenceService.SERVICE_NAME, name);
}
@Override
public ICountDownLatch getCountDownLatch(final String name) {
if (name == null) {
throw new NullPointerException("Retrieving a countdown-latch instance with a null name is not allowed!");
}
return getDistributedObject(CountDownLatchService.SERVICE_NAME, name);
}
@Override
public ISemaphore getSemaphore(final String name) {
if (name == null) {
throw new NullPointerException("Retrieving a semaphore instance with a null name is not allowed!");
}
return getDistributedObject(SemaphoreService.SERVICE_NAME, name);
}
@Override
public <K, V> ReplicatedMap<K, V> getReplicatedMap(final String name) {
if (name == null) {
throw new NullPointerException("Retrieving a replicated map instance with a null name is not allowed!");
}
return getDistributedObject(ReplicatedMapService.SERVICE_NAME, name);
}
@Override
public Cluster getCluster() {
return node.clusterService.getClusterProxy();
}
@Override
public Member getLocalEndpoint() {
return node.clusterService.getLocalMember();
}
@Override
public Collection<DistributedObject> getDistributedObjects() {
ProxyService proxyService = node.nodeEngine.getProxyService();
return proxyService.getAllDistributedObjects();
}
@Override
public Config getConfig() {
return node.getConfig();
}
@Override
public ConcurrentMap<String, Object> getUserContext() {
return userContext;
}
@Override
public PartitionService getPartitionService() {
return node.partitionService.getPartitionServiceProxy();
}
@Override
public ClientService getClientService() {
return new ClientServiceProxy(node);
}
@Override
public LoggingService getLoggingService() {
return node.loggingService;
}
@Override
public LifecycleServiceImpl getLifecycleService() {
return lifecycleService;
}
@Override
public void shutdown() {
getLifecycleService().shutdown();
}
@Override
@Deprecated
public <T extends DistributedObject> T getDistributedObject(String serviceName, Object id) {
if (id instanceof String) {
return (T) node.nodeEngine.getProxyService().getDistributedObject(serviceName, (String) id);
}
throw new IllegalArgumentException("'id' must be type of String!");
}
@Override
public <T extends DistributedObject> T getDistributedObject(String serviceName, String name) {
ProxyService proxyService = node.nodeEngine.getProxyService();
return (T) proxyService.getDistributedObject(serviceName, name);
}
@Override
public String addDistributedObjectListener(DistributedObjectListener distributedObjectListener) {
final ProxyService proxyService = node.nodeEngine.getProxyService();
return proxyService.addProxyListener(distributedObjectListener);
}
@Override
public boolean removeDistributedObjectListener(String registrationId) {
final ProxyService proxyService = node.nodeEngine.getProxyService();
return proxyService.removeProxyListener(registrationId);
}
public ThreadGroup getThreadGroup() {
return threadGroup;
}
public SerializationService getSerializationService() {
return node.getSerializationService();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || !(o instanceof HazelcastInstance)) {
return false;
}
HazelcastInstance that = (HazelcastInstance) o;
return !(name != null ? !name.equals(that.getName()) : that.getName() != null);
}
@Override
public int hashCode() {
return name != null ? name.hashCode() : 0;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("HazelcastInstance");
sb.append("{name='").append(name).append('\'');
sb.append(", node=").append(node.getThisAddress());
sb.append('}');
return sb.toString();
}
}